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-rw-r--r--include/linux/memcontrol.h148
1 files changed, 11 insertions, 137 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 922a7f600465..f530d634f055 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -235,11 +235,6 @@ struct mem_cgroup {
struct vmpressure vmpressure;
/*
- * Should the accounting and control be hierarchical, per subtree?
- */
- bool use_hierarchy;
-
- /*
* Should the OOM killer kill all belonging tasks, had it kill one?
*/
bool oom_group;
@@ -296,7 +291,6 @@ struct mem_cgroup {
int tcpmem_pressure;
#ifdef CONFIG_MEMCG_KMEM
- /* Index in the kmem_cache->memcg_params.memcg_caches array */
int kmemcg_id;
enum memcg_kmem_state kmem_state;
struct obj_cgroup __rcu *objcg;
@@ -589,8 +583,6 @@ static inline bool mem_cgroup_is_descendant(struct mem_cgroup *memcg,
{
if (root == memcg)
return true;
- if (!root->use_hierarchy)
- return false;
return cgroup_is_descendant(memcg->css.cgroup, root->css.cgroup);
}
@@ -794,19 +786,15 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec,
void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
int val);
-void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
- int val);
-void __mod_lruvec_slab_state(void *p, enum node_stat_item idx, int val);
-
-void mod_memcg_obj_state(void *p, int idx, int val);
+void __mod_lruvec_kmem_state(void *p, enum node_stat_item idx, int val);
-static inline void mod_lruvec_slab_state(void *p, enum node_stat_item idx,
+static inline void mod_lruvec_kmem_state(void *p, enum node_stat_item idx,
int val)
{
unsigned long flags;
local_irq_save(flags);
- __mod_lruvec_slab_state(p, idx, val);
+ __mod_lruvec_kmem_state(p, idx, val);
local_irq_restore(flags);
}
@@ -820,43 +808,6 @@ static inline void mod_memcg_lruvec_state(struct lruvec *lruvec,
local_irq_restore(flags);
}
-static inline void mod_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx, int val)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- __mod_lruvec_state(lruvec, idx, val);
- local_irq_restore(flags);
-}
-
-static inline void __mod_lruvec_page_state(struct page *page,
- enum node_stat_item idx, int val)
-{
- struct page *head = compound_head(page); /* rmap on tail pages */
- pg_data_t *pgdat = page_pgdat(page);
- struct lruvec *lruvec;
-
- /* Untracked pages have no memcg, no lruvec. Update only the node */
- if (!head->mem_cgroup) {
- __mod_node_page_state(pgdat, idx, val);
- return;
- }
-
- lruvec = mem_cgroup_lruvec(head->mem_cgroup, pgdat);
- __mod_lruvec_state(lruvec, idx, val);
-}
-
-static inline void mod_lruvec_page_state(struct page *page,
- enum node_stat_item idx, int val)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- __mod_lruvec_page_state(page, idx, val);
- local_irq_restore(flags);
-}
-
unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
gfp_t gfp_mask,
unsigned long *total_scanned);
@@ -1215,31 +1166,7 @@ static inline void __mod_memcg_lruvec_state(struct lruvec *lruvec,
{
}
-static inline void __mod_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx, int val)
-{
- __mod_node_page_state(lruvec_pgdat(lruvec), idx, val);
-}
-
-static inline void mod_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx, int val)
-{
- mod_node_page_state(lruvec_pgdat(lruvec), idx, val);
-}
-
-static inline void __mod_lruvec_page_state(struct page *page,
- enum node_stat_item idx, int val)
-{
- __mod_node_page_state(page_pgdat(page), idx, val);
-}
-
-static inline void mod_lruvec_page_state(struct page *page,
- enum node_stat_item idx, int val)
-{
- mod_node_page_state(page_pgdat(page), idx, val);
-}
-
-static inline void __mod_lruvec_slab_state(void *p, enum node_stat_item idx,
+static inline void __mod_lruvec_kmem_state(void *p, enum node_stat_item idx,
int val)
{
struct page *page = virt_to_head_page(p);
@@ -1247,7 +1174,7 @@ static inline void __mod_lruvec_slab_state(void *p, enum node_stat_item idx,
__mod_node_page_state(page_pgdat(page), idx, val);
}
-static inline void mod_lruvec_slab_state(void *p, enum node_stat_item idx,
+static inline void mod_lruvec_kmem_state(void *p, enum node_stat_item idx,
int val)
{
struct page *page = virt_to_head_page(p);
@@ -1255,10 +1182,6 @@ static inline void mod_lruvec_slab_state(void *p, enum node_stat_item idx,
mod_node_page_state(page_pgdat(page), idx, val);
}
-static inline void mod_memcg_obj_state(void *p, int idx, int val)
-{
-}
-
static inline
unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
gfp_t gfp_mask,
@@ -1322,38 +1245,14 @@ static inline void __dec_memcg_page_state(struct page *page,
__mod_memcg_page_state(page, idx, -1);
}
-static inline void __inc_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx)
-{
- __mod_lruvec_state(lruvec, idx, 1);
-}
-
-static inline void __dec_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx)
-{
- __mod_lruvec_state(lruvec, idx, -1);
-}
-
-static inline void __inc_lruvec_page_state(struct page *page,
- enum node_stat_item idx)
-{
- __mod_lruvec_page_state(page, idx, 1);
-}
-
-static inline void __dec_lruvec_page_state(struct page *page,
- enum node_stat_item idx)
-{
- __mod_lruvec_page_state(page, idx, -1);
-}
-
-static inline void __inc_lruvec_slab_state(void *p, enum node_stat_item idx)
+static inline void __inc_lruvec_kmem_state(void *p, enum node_stat_item idx)
{
- __mod_lruvec_slab_state(p, idx, 1);
+ __mod_lruvec_kmem_state(p, idx, 1);
}
-static inline void __dec_lruvec_slab_state(void *p, enum node_stat_item idx)
+static inline void __dec_lruvec_kmem_state(void *p, enum node_stat_item idx)
{
- __mod_lruvec_slab_state(p, idx, -1);
+ __mod_lruvec_kmem_state(p, idx, -1);
}
/* idx can be of type enum memcg_stat_item or node_stat_item */
@@ -1384,30 +1283,6 @@ static inline void dec_memcg_page_state(struct page *page,
mod_memcg_page_state(page, idx, -1);
}
-static inline void inc_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx)
-{
- mod_lruvec_state(lruvec, idx, 1);
-}
-
-static inline void dec_lruvec_state(struct lruvec *lruvec,
- enum node_stat_item idx)
-{
- mod_lruvec_state(lruvec, idx, -1);
-}
-
-static inline void inc_lruvec_page_state(struct page *page,
- enum node_stat_item idx)
-{
- mod_lruvec_page_state(page, idx, 1);
-}
-
-static inline void dec_lruvec_page_state(struct page *page,
- enum node_stat_item idx)
-{
- mod_lruvec_page_state(page, idx, -1);
-}
-
static inline struct lruvec *parent_lruvec(struct lruvec *lruvec)
{
struct mem_cgroup *memcg;
@@ -1568,9 +1443,8 @@ static inline void memcg_kmem_uncharge(struct mem_cgroup *memcg,
}
/*
- * helper for accessing a memcg's index. It will be used as an index in the
- * child cache array in kmem_cache, and also to derive its name. This function
- * will return -1 when this is not a kmem-limited memcg.
+ * A helper for accessing memcg's kmem_id, used for getting
+ * corresponding LRU lists.
*/
static inline int memcg_cache_id(struct mem_cgroup *memcg)
{
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-15 12:41:38 +0000